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> RECORD OBS-0211 | status: UNPROVEN | filed 2026-07-31
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Thunderbird sightings in Pennsylvania

RecordOBS-0211
CategoryUnexplained/Cryptids
StatusUNPROVEN
SummaryProponents claim that a giant prehistoric bird, called the Thunderbird, has been sighted in modern times, particularly in Westmoreland County, Pennsylvania. They describe it as having a 12-to-20-foot wingspan and being capable of snatching small pets. The documentary 'Boogeymen' features eyewitness accounts and investigates these claims.
OriginThe Thunderbird originates from Native American mythology, but modern sightings in Pennsylvania have been reported over the last 200 years. The documentary episode was uploaded in 2026.
Claimed
  • A giant bird with a 12-to-20-foot wingspan has been sighted in Pennsylvania.
  • The creature resembles a massive buzzard with a featherless head.
  • It has been seen snatching small dogs from suburban yards.
  • Witnesses claim it can vanish from sight in three beats of its wings.
  • The creature is a real, physical entity, not just a myth.
Evidence / consensusThere is no scientific evidence or expert consensus supporting the existence of such a creature. Sightings are anecdotal and lack physical proof.
> OBSERVER NOTE:
Another cryptid file. Eyewitness testimony only, no bones, no photos, no radar. The wingspan alone would make it a biological impossibility without fossil evidence.

Sources

  1. Thunderbird: Giant Prehistoric Bird Terrifying Pennsylvania | Boogeymen | S2 Ep2 | Full Documentary - YouTube
  2. Where are thunderbird sightings the most and has there ...
  3. "Has the legendary Thunderbird truly taken flight in Western ...

Sources are external and provided for verification. Listing does not imply the Observer endorses their claims.